弱相互作用大质量粒子与$^{23}$ Na和$^{40}$ Ar散射的事例率
Event rates for the scattering of weakly interacting massive particles from $^{23}$Na and $^{40}$Ar
摘要：
基于Hartree-Fock态的变形壳模型（DSM），计算了弱相互作用大质量粒子（WIMP）在$^{23}$ Na表面的弹性和非弹性散射的探测率.首先计算了能谱和磁矩等光谱性质，并与实验进行了比较。利用DSM波函数计算了WIMP- $^{23}$ Na散射的弹性和非弹性自旋结构函数、原子核结构系数等。然后，事件率也计算与一组给定的超对称参数。用同样的方法，利用DSM波函数，还得到了WIMP与$^{40}$ Ar弹性散射的原子核结构系数和事例率。这些结果的事件率和年度调制将是有用的，即将到来的和未来的WIMP探测实验涉及探测器与$^{23}$钠和$^{40}$氩。
英文摘要：
Detection rates for the elastic and inelastic scattering of weakly interacting massive particles (WIMP) off $^{23}$Na are calculated within the framework of Deformed Shell Model (DSM) based on Hartree-Fock states. First the spectroscopic properties like energy spectra and magnetic moments are calculated and compared with experiment. Following the good agreement for these, DSM wave functions are used for obtaining elastic and inelastic spin structure functions, nuclear structure coefficients etc. for the WIMP-$^{23}$Na scattering. Then, the event rates are also calculated with a given set of supersymmetric parameters. In the same manner, using DSM wavefunctions, nuclear structure coefficients and event rates for elastic scattering of WIMP from $^{40}$Ar are also obtained. These results for event rates and also for annual modulation will be useful for the upcoming and future WIMP detection experiments involving detectors with $^{23}$Na and $^{40}$Ar.
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